Klaus Andrade

Klaus Andrade

Senior Backend Engineer

Senior Backend Engineer with 7+ years of experience designing and evolving scalable, high-performance web platforms. Specialized in Laravel/PHP backends, asynchronous processing, and clean system architecture. Highly experienced in taking ownership of domains end-to-end and integrating modern AI technologies (LLMs, prompt engineering, MCP) into practical, production-ready SaaS products.

Copenhagen, Denmark

+45 71 31 99 38 · klaus.dev@outlook.com

Skills

Languages & Frameworks
PHP (Laravel), TypeScript, JavaScript (Vue.js), C#, Dart (Flutter), Node.js
Database & Architecture
MySQL, SQLite (FTS5), Supabase, REST APIs, System Design, Clean Architecture, SOLID principles
AI & Data
LLM Integrations, Prompt Engineering, Model Context Protocol (MCP), Groq, AI Agent Architecture
Infrastructure & Tools
CI/CD (GitHub Actions), Queue Systems, Background Processing, Caching, Docker, AWS

Experience

Senior Software Engineer

SlideHub

Copenhagen, Denmark · Mar 2019 – Present

  • Led backend architecture improvements for a global SaaS PowerPoint-processing platform, focusing on scalability and performance optimization.
  • Engineered an end-to-end AI feature that generates customized PowerPoint slides from natural language prompts, utilizing a PHP entry point, Groq LLM inference for data structuring, and a custom C# service for document generation.
  • Designed and refactored core Laravel services to improve maintainability, adhering strictly to SOLID principles and clean code practices.
  • Implemented extensive asynchronous job handling, message queues, and background processing to ensure the main application remains highly responsive during heavy operations like AI inference and document generation.
  • Optimized database queries, caching strategies, and data modeling to significantly reduce latency and improve system throughput.
  • Mentored junior engineers through detailed PR reviews, fostering knowledge sharing around clean architecture and the practical, cost-effective implementation of AI features.

Javascript Developer

Active Cloud Solutions

São Paulo, Brazil · Sep 2018 – Mar 2019

  • Developed and maintained frontend components using JavaScript and Vue.js.

Notable AI & Engineering Projects

Codewatch

Observational Memory MCP Server (Node.js, TypeScript, SQLite) · Feb 2026 – Present

  • Engineered a Model Context Protocol (MCP) native server that provides persistent, code-aware memory for AI coding assistants (Claude Code, Cursor, Windsurf) across sessions.
  • Utilized lightweight LLMs as Observer/Reflector agents to translate conversation context into structured observations, stored in an SQLite database with Full-Text Search (FTS5).
  • Achieved ~50ms recall times for injecting relevant project decisions and preferences into the assistant's context window.

npm · GitHub

HERQ

AI-Powered Strength Training App (Flutter, Supabase, SQLite) · Jan 2025 – Jan 2026

  • Built and launched a production-ready, cross-platform application (iOS, Android, Web) utilizing Flutter, Riverpod, and Supabase.
  • Designed an offline-first architecture with local SQLite storage, robust background syncing, and conflict resolution.
  • Integrated advanced features including analytics (PRs, 1RM), social capabilities, AI-driven workout insights, and automated CI/CD pipelines via GitHub Actions.

GitHub · Demo

Education

Associate Degree in Information Technology Management @ FIRP · 2010 – 2013